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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QFILESYSTEMMODEL_H
#define QFILESYSTEMMODEL_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qabstractitemmodel.h>
#include <QtCore/qpair.h>
#include <QtCore/qdir.h>
#include <QtGui/qicon.h>
#include <QtCore/qdiriterator.h>
QT_REQUIRE_CONFIG(filesystemmodel);
QT_BEGIN_NAMESPACE
class ExtendedInformation;
class QFileSystemModelPrivate;
class QAbstractFileIconProvider;
class Q_GUI_EXPORT QFileSystemModel : public QAbstractItemModel
{
Q_OBJECT
Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)
Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
Q_PROPERTY(bool nameFilterDisables READ nameFilterDisables WRITE setNameFilterDisables)
Q_PROPERTY(Options options READ options WRITE setOptions)
Q_SIGNALS:
void rootPathChanged(const QString &newPath);
void fileRenamed(const QString &path, const QString &oldName, const QString &newName);
void directoryLoaded(const QString &path);
public:
enum Roles {
FileIconRole = Qt::DecorationRole,
FilePathRole = Qt::UserRole + 1,
FileNameRole = Qt::UserRole + 2,
FilePermissions = Qt::UserRole + 3
};
enum Option
{
DontWatchForChanges = 0x00000001,
DontResolveSymlinks = 0x00000002,
DontUseCustomDirectoryIcons = 0x00000004
};
Q_ENUM(Option)
Q_DECLARE_FLAGS(Options, Option)
explicit QFileSystemModel(QObject *parent = nullptr);
~QFileSystemModel();
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
QModelIndex index(const QString &path, int column = 0) const;
QModelIndex parent(const QModelIndex &child) const override;
using QObject::parent;
QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
bool canFetchMore(const QModelIndex &parent) const override;
void fetchMore(const QModelIndex &parent) override;
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
int columnCount(const QModelIndex &parent = QModelIndex()) const override;
QVariant myComputer(int role = Qt::DisplayRole) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
Qt::ItemFlags flags(const QModelIndex &index) const override;
void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
QStringList mimeTypes() const override;
QMimeData *mimeData(const QModelIndexList &indexes) const override;
bool dropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent) override;
Qt::DropActions supportedDropActions() const override;
QHash<int, QByteArray> roleNames() const override;
// QFileSystemModel specific API
QModelIndex setRootPath(const QString &path);
QString rootPath() const;
QDir rootDirectory() const;
void setIconProvider(QAbstractFileIconProvider *provider);
QAbstractFileIconProvider *iconProvider() const;
void setFilter(QDir::Filters filters);
QDir::Filters filter() const;
void setResolveSymlinks(bool enable);
bool resolveSymlinks() const;
void setReadOnly(bool enable);
bool isReadOnly() const;
void setNameFilterDisables(bool enable);
bool nameFilterDisables() const;
void setNameFilters(const QStringList &filters);
QStringList nameFilters() const;
void setOption(Option option, bool on = true);
bool testOption(Option option) const;
void setOptions(Options options);
Options options() const;
QString filePath(const QModelIndex &index) const;
bool isDir(const QModelIndex &index) const;
qint64 size(const QModelIndex &index) const;
QString type(const QModelIndex &index) const;
QDateTime lastModified(const QModelIndex &index) const;
QModelIndex mkdir(const QModelIndex &parent, const QString &name);
bool rmdir(const QModelIndex &index);
inline QString fileName(const QModelIndex &index) const;
inline QIcon fileIcon(const QModelIndex &index) const;
QFile::Permissions permissions(const QModelIndex &index) const;
QFileInfo fileInfo(const QModelIndex &index) const;
bool remove(const QModelIndex &index);
protected:
QFileSystemModel(QFileSystemModelPrivate &, QObject *parent = nullptr);
void timerEvent(QTimerEvent *event) override;
bool event(QEvent *event) override;
private:
Q_DECLARE_PRIVATE(QFileSystemModel)
Q_DISABLE_COPY(QFileSystemModel)
Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &directory, const QStringList &list))
Q_PRIVATE_SLOT(d_func(), void _q_performDelayedSort())
Q_PRIVATE_SLOT(d_func(),
void _q_fileSystemChanged(const QString &path,
const QList<QPair<QString, QFileInfo>> &))
Q_PRIVATE_SLOT(d_func(), void _q_resolvedName(const QString &fileName, const QString &resolvedName))
friend class QFileDialogPrivate;
};
inline QString QFileSystemModel::fileName(const QModelIndex &aindex) const
{ return aindex.data(Qt::DisplayRole).toString(); }
inline QIcon QFileSystemModel::fileIcon(const QModelIndex &aindex) const
{ return qvariant_cast<QIcon>(aindex.data(Qt::DecorationRole)); }
Q_DECLARE_OPERATORS_FOR_FLAGS(QFileSystemModel::Options)
QT_END_NAMESPACE
#endif // QFILESYSTEMMODEL_H
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